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GB2312681B - Sintering method for tungsten-nickel-manganese type heavy alloy - Google Patents

Sintering method for tungsten-nickel-manganese type heavy alloy

Info

Publication number
GB2312681B
GB2312681B GB9708718A GB9708718A GB2312681B GB 2312681 B GB2312681 B GB 2312681B GB 9708718 A GB9708718 A GB 9708718A GB 9708718 A GB9708718 A GB 9708718A GB 2312681 B GB2312681 B GB 2312681B
Authority
GB
United Kingdom
Prior art keywords
tungsten
nickel
sintering method
type heavy
heavy alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9708718A
Other versions
GB2312681A (en
GB9708718D0 (en
Inventor
Moon Hee Hong
Woon Hyung Baek
Joon Woong Noh
Heung Sub Song
Seong Lee
Eun Pyo Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agency for Defence Development
Original Assignee
Agency for Defence Development
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agency for Defence Development filed Critical Agency for Defence Development
Publication of GB9708718D0 publication Critical patent/GB9708718D0/en
Publication of GB2312681A publication Critical patent/GB2312681A/en
Application granted granted Critical
Publication of GB2312681B publication Critical patent/GB2312681B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • B22F3/101—Changing atmosphere
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/045—Alloys based on refractory metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/01—Reducing atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/10—Inert gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
GB9708718A 1996-04-30 1997-04-29 Sintering method for tungsten-nickel-manganese type heavy alloy Expired - Lifetime GB2312681B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960013835A KR100197152B1 (en) 1996-04-30 1996-04-30 Method for sintering heavy alloy of w-ni-mn system

Publications (3)

Publication Number Publication Date
GB9708718D0 GB9708718D0 (en) 1997-06-18
GB2312681A GB2312681A (en) 1997-11-05
GB2312681B true GB2312681B (en) 2000-05-17

Family

ID=19457329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9708718A Expired - Lifetime GB2312681B (en) 1996-04-30 1997-04-29 Sintering method for tungsten-nickel-manganese type heavy alloy

Country Status (3)

Country Link
US (1) US5970307A (en)
KR (1) KR100197152B1 (en)
GB (1) GB2312681B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8322264B1 (en) * 2007-02-13 2012-12-04 The United States Of America As Represented By The Secretary Of The Army Controlled plastic venting for low-recoil gun systems
CN102965532B (en) * 2012-11-28 2014-10-08 中南大学 Preparation method for fully-compact W-Ni-Mn heavy alloy
CN102974823B (en) * 2012-12-12 2015-05-20 广汉川冶新材料有限责任公司 Sintering method of high gravity alloy

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1292651A (en) * 1969-01-17 1972-10-11 Atomic Energy Authority Uk Improvements in or relating to sintering
US3988118A (en) * 1973-05-21 1976-10-26 P. R. Mallory & Co., Inc. Tungsten-nickel-iron-molybdenum alloys
US5603073A (en) * 1991-04-16 1997-02-11 Southwest Research Institute Heavy alloy based on tungsten-nickel-manganese

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4986961A (en) * 1988-01-04 1991-01-22 Gte Products Corporation Fine grain tungsten heavy alloys containing additives
US5145512A (en) * 1989-01-03 1992-09-08 Gte Products Corporation Tungsten nickel iron alloys
US5342573A (en) * 1991-04-23 1994-08-30 Sumitomo Electric Industries, Ltd. Method of producing a tungsten heavy alloy product
US5334341A (en) * 1992-05-27 1994-08-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for controlling carbon content of injection molding steels during debinding
US5338506A (en) * 1992-12-21 1994-08-16 Valenite Inc. Process for making non-magnetic nickel tungsten carbide cemented carbide compositions and articles made from the same
JP3443175B2 (en) * 1993-07-23 2003-09-02 アスラブ・エス アー Method for producing titanium parts by sintering and decorative articles made using this kind of production method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1292651A (en) * 1969-01-17 1972-10-11 Atomic Energy Authority Uk Improvements in or relating to sintering
US3988118A (en) * 1973-05-21 1976-10-26 P. R. Mallory & Co., Inc. Tungsten-nickel-iron-molybdenum alloys
US5603073A (en) * 1991-04-16 1997-02-11 Southwest Research Institute Heavy alloy based on tungsten-nickel-manganese

Also Published As

Publication number Publication date
GB2312681A (en) 1997-11-05
KR100197152B1 (en) 1999-06-15
KR970069198A (en) 1997-11-07
US5970307A (en) 1999-10-19
GB9708718D0 (en) 1997-06-18

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170428